Citations
Correspondence with Belgian observatories, 1945 - 1955, GBR/0180/RGO 9/459. Cambridge University Library. |
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Correspondence with Belgian observatories, 1945 - 1955, GBR/0180/RGO 9/459. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/99974 Accessed April 25, 2024. |